[Bug 28410] OpenGL vsync no longer working properly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28410

--- Comment #28 from Jesse Barnes <jbarnes at virtuousgeek.org> 2010-07-07 12:22:31 PDT ---
On Wed,  7 Jul 2010 12:17:52 -0700 (PDT)
bugzilla-daemon at freedesktop.org wrote:

> https://bugs.freedesktop.org/show_bug.cgi?id=28410
> 
> --- Comment #27 from Pierre Ossman <pierre-bugzilla at ossman.eu> 2010-07-07 12:17:52 PDT ---
> Noteworthy is also that drm-next is need to get any working condition. Backward
> compatibility with older kernels seem to be a little lacking here guys. ;)

DRI2 didn't support any of the vsync related extensions until both the
kernel vblank event support landed and support for the new DRI2
protocol bits landed in the X server and DDX drivers.  So compat with
older kernels (i.e. kernels w/o vblank event support) isn't really
possible.

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